From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8673C4361B for ; Wed, 16 Dec 2020 18:23:53 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A4ACF25527 for ; Wed, 16 Dec 2020 18:23:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A4ACF25527 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sigxcpu.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe :List-Id:MIME-Version:Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=cOGSZomJTzSK2r+bCtnSZprMxGoy169kk1RNdEdOvss=; b=tgnJAFIC2y9jaxXB6cJRX9wXNt IDxFnmBByUPqOv2shhp98sclcw6/gCED6aPC1VPRT9bXOZXNXxvIiUtqodTVc/sI+soiTssDMIdh2 yciEexmygK4JMjLoRIyuX60Z5eLy+LxkI8tPbIFZbCi2i1ehJqKbE9rKg8uB9CmX4U8v9ag3nwU65 0oDR2qi2yrak3kzrm1hME8XVTfD6CxgRZBUzMVowzcvaulfFIsBXOUswGoWz6A1pBB9VtSROTFM8Y 0yVYlRmSDAIFOgnNEqL8K1PehM3Bt1iKV8Fco96mn48SlxuePNckS8JsYYdBjZaoJH9Ktpk+kzThS nmh/W0sg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kpbRh-0000Sq-2T; Wed, 16 Dec 2020 18:22:41 +0000 Received: from honk.sigxcpu.org ([24.134.29.49]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kpbRd-0000S8-M9 for linux-arm-kernel@lists.infradead.org; Wed, 16 Dec 2020 18:22:38 +0000 Received: from localhost (localhost [127.0.0.1]) by honk.sigxcpu.org (Postfix) with ESMTP id 25845FB04; Wed, 16 Dec 2020 19:22:34 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at honk.sigxcpu.org Received: from honk.sigxcpu.org ([127.0.0.1]) by localhost (honk.sigxcpu.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lot8rLTxDS_T; Wed, 16 Dec 2020 19:22:33 +0100 (CET) Received: by bogon.sigxcpu.org (Postfix, from userid 1000) id B35B043FDC; Wed, 16 Dec 2020 19:22:32 +0100 (CET) From: =?UTF-8?q?Guido=20G=C3=BCnther?= To: Kishon Vijay Abraham I , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Robert Chiras , Sam Ravnborg , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 0/1] phy: fsl-imx8-mipi-dphy: Hook into runtime pm Date: Wed, 16 Dec 2020 19:22:32 +0100 Message-Id: X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201216_132237_849746_59B3B980 X-CRM114-Status: UNSURE ( 9.89 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org VGhpcyBhbGxvd3MgdXMgdG8gc2h1dCBkb3duIHRoZSBtaXBpIHBvd2VyIGRvbWFpbiBvbiB0aGUg aW14OC4gVGhlIGFsdGVybmF0aXZlCndvdWxkIGJlIHRvIGRyb3AgdGhlIGRwaHkgZnJvbSB0aGUg bWlwaSBwb3dlciBkb21haW4gaW4gdGhlIFNPQ3MgZGV2aWNlIHRyZWUKYW5kIG9ubHkgaGF2ZSB0 aGUgRFNJIGhvc3QgY29udHJvbGxlciB2aXNpYmxlIHRoZXJlIGJ1dCBzaW5jZSB0aGUgUEQgaXMg bW9zdGx5CmFib3V0IHRoZSBQSFkgdGhhdCB3b3VsZCBkZWZlYXQgaXQncyBwdXJwb3NlLgoKVGhp cyBpcyBiYXNpY2FsbHkgYSByZXNlbmQgZnJvbSBGZWJydWFyeSAyMDIwIHdoaWNoIHdlbnQgd2l0 aG91dCBmZWVkYmFjay4KClRoaXMgYWxsb3dzIHRvIHNodXQgb2ZmIHRoZSBwb3dlciBkb21haW4g aGVuIGJsYW5raW5nIHRoZSBMQ0QgcGFuZWw6CgpwbV9nZW5wZF9zdW1tYXJ5IGJlZm9yZToKCmRv bWFpbiAgICAgICAgICAgICAgICAgICAgICAgICAgc3RhdHVzICAgICAgICAgIHNsYXZlcwogICAg L2RldmljZSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHJ1bnRp bWUgc3RhdHVzCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KbWlwaSAgICAgICAgICAgICAgICAgICAgICAgICAgICBv bgogICAgL2RldmljZXMvcGxhdGZvcm0vc29jQDAvc29jQDA6YnVzQDMwODAwMDAwLzMwYTAwMzAw LmRwaHkgIHVuc3VwcG9ydGVkCiAgICAvZGV2aWNlcy9wbGF0Zm9ybS9zb2NAMC9zb2NAMDpidXNA MzA4MDAwMDAvMzBhMDAwMDAubWlwaV9kc2kgIHN1c3BlbmRlZAoKYWZ0ZXI6CgptaXBpICAgICAg ICAgICAgICAgICAgICAgICAgICAgIG9mZi0wCiAgICAvZGV2aWNlcy9wbGF0Zm9ybS9zb2NAMC9z b2NAMDpidXNAMzA4MDAwMDAvMzBhMDAzMDAuZHBoeSAgc3VzcGVuZGVkCiAgICAvZGV2aWNlcy9w bGF0Zm9ybS9zb2NAMC9zb2NAMDpidXNAMzA4MDAwMDAvMzBhMDAwMDAubWlwaV9kc2kgIHN1c3Bl bmRlZAoKQ2hhbmdlcyBmcm9tIHYxOgogLSBUd2VhayBjb21taXQgbWVzc2FnZSBzbGlnaHRseQoK Q2hhbmdlcyBmcm9tIHYyOgogIC0gQXMgcHJlIHJldmlldyBjb21tZW50IGJ5IEx1Y2FzIFN0YWNo CiAgICBodHRwczovL2xvcmUua2VybmVsLm9yZy9saW51eC1hcm0ta2VybmVsL2VlMjJiMDcyZTBh YmUwNzU1OWEzZTZhNjNjY2Y2ZWNlMDY0YTQ2Y2IuY2FtZWxAcGVuZ3V0cm9uaXguZGUvCiAgICBD aGVjayBmb3IgcG1fcnVudGltZV9nZXRfc3luYyBmYWlsdXJlCgpHdWlkbyBHw7xudGhlciAoMSk6 CiAgcGh5OiBmc2wtaW14OC1taXBpLWRwaHk6IEhvb2sgaW50byBydW50aW1lIHBtCgogLi4uL3Bo eS9mcmVlc2NhbGUvcGh5LWZzbC1pbXg4LW1pcGktZHBoeS5jICAgIHwgMjUgKysrKysrKysrKysr KysrKysrLQogMSBmaWxlIGNoYW5nZWQsIDI0IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkK Ci0tIAoyLjI5LjIKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3Rz LmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1hcm0ta2VybmVsCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15B9AC4361B for ; Wed, 16 Dec 2020 18:23:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D66C725E16 for ; Wed, 16 Dec 2020 18:23:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730291AbgLPSXQ (ORCPT ); Wed, 16 Dec 2020 13:23:16 -0500 Received: from honk.sigxcpu.org ([24.134.29.49]:45126 "EHLO honk.sigxcpu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727781AbgLPSXQ (ORCPT ); Wed, 16 Dec 2020 13:23:16 -0500 Received: from localhost (localhost [127.0.0.1]) by honk.sigxcpu.org (Postfix) with ESMTP id 25845FB04; Wed, 16 Dec 2020 19:22:34 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at honk.sigxcpu.org Received: from honk.sigxcpu.org ([127.0.0.1]) by localhost (honk.sigxcpu.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lot8rLTxDS_T; Wed, 16 Dec 2020 19:22:33 +0100 (CET) Received: by bogon.sigxcpu.org (Postfix, from userid 1000) id B35B043FDC; Wed, 16 Dec 2020 19:22:32 +0100 (CET) From: =?UTF-8?q?Guido=20G=C3=BCnther?= To: Kishon Vijay Abraham I , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Robert Chiras , Sam Ravnborg , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 0/1] phy: fsl-imx8-mipi-dphy: Hook into runtime pm Date: Wed, 16 Dec 2020 19:22:32 +0100 Message-Id: X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This allows us to shut down the mipi power domain on the imx8. The alternative would be to drop the dphy from the mipi power domain in the SOCs device tree and only have the DSI host controller visible there but since the PD is mostly about the PHY that would defeat it's purpose. This is basically a resend from February 2020 which went without feedback. This allows to shut off the power domain hen blanking the LCD panel: pm_genpd_summary before: domain status slaves /device runtime status ---------------------------------------------------------------------- mipi on /devices/platform/soc@0/soc@0:bus@30800000/30a00300.dphy unsupported /devices/platform/soc@0/soc@0:bus@30800000/30a00000.mipi_dsi suspended after: mipi off-0 /devices/platform/soc@0/soc@0:bus@30800000/30a00300.dphy suspended /devices/platform/soc@0/soc@0:bus@30800000/30a00000.mipi_dsi suspended Changes from v1: - Tweak commit message slightly Changes from v2: - As pre review comment by Lucas Stach https://lore.kernel.org/linux-arm-kernel/ee22b072e0abe07559a3e6a63ccf6ece064a46cb.camel@pengutronix.de/ Check for pm_runtime_get_sync failure Guido Günther (1): phy: fsl-imx8-mipi-dphy: Hook into runtime pm .../phy/freescale/phy-fsl-imx8-mipi-dphy.c | 25 ++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) -- 2.29.2